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julianna

(Ensino Médio) Matemática06/06/2024

considerando sen 10°≈0,17 sen65°≈0,90 e cos50°≈ 0,64 calcule...

considerando sen 10°≈0,17 sen65°≈0,90 e cos50°≈ 0,64 calcule. a) cos 25° b)cos80° c)sen40°

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